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Ubuntu 4092-1 Moderate: Ghostscript File Access Risk Advisory

ubuntu
Calendar Grey August 12, 2019
Dist Ubuntu Esm H88
Ghostscript on Ubuntu may expose sensitive files through specially designed documents. Guidance for patching is included.
Ghostscript could be made to access files if it opened a specially crafted file.

Summary

Ghostscript could be made to access files if it opened a specially

crafted file.

Software Description:

- ghostscript: PostScript and PDF interpreter

Details:

Netanel Fisher discovered that the font handler in Ghostscript did not

properly restrict privileged calls when '-dSAFER' restrictions were in

effect. If a user or automated system were tricked into processing a

specially crafted file, a remote attacker could possibly use this issue to

access arbitrary files.

Topics%20covered

Topics Covered

security advisory ghostscript Ubuntu remote execution file access attack vector severity: moderate

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
  ghostscript                     9.26~dfsg+0-0ubuntu7.2
  libgs9                          9.26~dfsg+0-0ubuntu7.2

Ubuntu 18.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.18.04.10
  libgs9                          9.26~dfsg+0-0ubuntu0.18.04.10

Ubuntu 16.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.16.04.10
  libgs9                          9.26~dfsg+0-0ubuntu0.16.04.10

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4092-1

CVE-2019-10216

Severity
important
Lowest
Low
Medium
High
Critical

August 12, 2019

Topics%20covered

Topics Covered

security advisory ghostscript Ubuntu remote execution file access attack vector severity: moderate

Package Information

https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu7.2
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.10
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.16.04.10

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